由于小波具有时频局部性，因此与频域方法相比，小波方法更能有效地分析函数的局部正则性。
Because the wavelet has time-frequency local property, the wavelet method can analyze the local regularity of function more effectively than frequency domain.
然后分析了多结点样条插值方法的逼近精度、正则性、插值核函数的频域特性。
Then the accuracy of approximation, regularity of many-knot splines interpolation method and frequency property of the interpolation kernel are worked out for comparison.
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